thp: remove khugepaged_loop

Merge khugepaged_loop into khugepaged

Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: David Rientjes <rientjes@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 7de778d9776216668f61843431f3d550b18e6185..073d687c89dea550752d5748412aa360e41842c5 100644 (file)
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -2340,14 +2340,6 @@ static void khugepaged_wait_work(void)
                wait_event_freezable(khugepaged_wait, khugepaged_wait_event());
 }
 
-static void khugepaged_loop(void)
-{
-       while (likely(khugepaged_enabled())) {
-               khugepaged_do_scan();
-               khugepaged_wait_work();
-       }
-}
-
 static int khugepaged(void *none)
 {
        struct mm_slot *mm_slot;
@@ -2355,8 +2347,10 @@ static int khugepaged(void *none)
        set_freezable();
        set_user_nice(current, 19);
 
-       while (!kthread_should_stop())
-               khugepaged_loop();
+       while (!kthread_should_stop()) {
+               khugepaged_do_scan();
+               khugepaged_wait_work();
+       }
 
        spin_lock(&khugepaged_mm_lock);
        mm_slot = khugepaged_scan.mm_slot;